Add 15/40 and 48/98
15/40 + 48/98 is 339/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
15/40 = 15 × 49/40 × 49 = 735/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
48/98 = 48 × 20/98 × 20 = 960/1960 - Add the two like fractions:
735/1960 + 960/1960 = 735 + 960/1960 = 1695/1960 - 1695/1960 simplified gives 339/392
- So, 15/40 + 48/98 = 339/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+48/98 15/40+96/98 15/80+48/98 45/40+48/98 75/40+48/98